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class="subjectField-postProcessingHook">75</span></div></div><div class="display_record_indexing_row"><div class="display_record_indexing_fieldname">Publication year </div><div class="display_record_indexing_data"><span class="subjectField-postProcessingHook">1971</span></div></div><div class="display_record_indexing_row"><div class="display_record_indexing_fieldname">Degree date </div><div class="display_record_indexing_data"><span class="subjectField-postProcessingHook">1971</span></div></div><div class="display_record_indexing_row"><div class="display_record_indexing_fieldname">School code </div><div class="display_record_indexing_data"><span class="subjectField-postProcessingHook">0212</span></div></div><div class="display_record_indexing_row"><div class="display_record_indexing_fieldname">Source </div><div class="display_record_indexing_data"><span class="subjectField-postProcessingHook">DAI-B 32/02, Dissertation Abstracts International</span></div></div><div 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